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  1. CICS - Wikipedia

    Although when CICS is mentioned, people usually mean CICS Transaction Server, the CICS Family refers to a portfolio of transaction servers, connectors (called CICS Transaction Gateway) and CICS …

  2. Introduction to CICS - IBM

    CICS stands for Customer Information Control System. It is a general-purpose transaction processing subsystem for the z/OS operating system. CICS provides services for running an application online, …

  3. Customer Information Control System - CICS Tutorial

    CICS (Customer Information Control System) is an IBM database/data communication (DB/DC) system. CICS makes it easy to send, receive, and process data through interaction with a terminal that …

  4. CICS Tutorial | Mainframestechhelp

    CICS stands for " Customer Information Control System ". It is an Online Transaction Processing (OLTP) system and application server that provides online transaction management and connectivity …

  5. What Is CICS? — Intro to the Mainframe Series

    Nov 5, 2025 · CICS provides common services to applications in an enterprise, such as security, recovery, and data conversion, so that each application doesn’t have to try to handle those complex …

  6. What is CICS? (Customer Information Control System)? - TechTarget

    Nov 22, 2021 · CICS (Customer Information Control System) is middleware that sits between the z/OS IBM mainframe operating system and business applications. As an online transaction processing …

  7. What is CICS in Mainframe? - Maintec

    Jul 15, 2024 · CICS, or Customer Information Control System, is an indispensable part of the mainframe ecosystem. It is an online transaction processing (OLTP) program from IBM that allows users to …

  8. CICS Tutorial

    CICS stands for Customer Information Control System. CICS was developed in 1968 by IBM. CICS allows users to develop and execute online application in an MVS environment. CICS has become …

  9. IBM CICS Transaction Server for z/OS

    IBM CICS® Transaction Server, often called CICS, is a world-class, secure, powerful, scalable, mixed-language application server platform used for hosting your transactional enterprise applications in a …

  10. CICS fundamentals - IBM

    What is a CICS application? An application is a collection of related programs that together perform a business operation, such as processing a product order, or preparing a company payroll. CICS …